*{margin:0;padding:0}
html,body{
  width:100%;
  height:100%;
  position:relative;
}
.ng-fail-tips{
  width:522px;
  height:566px;
  background:url("../imgs/fail-tips.png") top center no-repeat;
  position:absolute;
  left:50%;
  top:50%;
  margin-left:-261px;
  margin-top:-233px;
}
.download{
  width:100%;
  height:100px;
  position:absolute;
  bottom:0;
  text-align:center;
}
.download a{
  display:inline-block;
  text-decoration:none;
  color:#a0a7a9;
  font-size:12px;
  width:55px;
  height:71px;
  margin:30px;
}
.download a img{
  display:block;
  width:100%;
  margin-bottom:4px;
}